1
JEE Main 2023 (Online) 11th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Given below are two statements :

Statement I : Ethene at 333 to $$343 \mathrm{~K}$$ and $$6$$-$$7$$ atm pressure in the presence of $$\mathrm{AlEt}_{3}$$ and $$\mathrm{TiCl}_{4}$$ undergoes addition polymerization to give LDP.

Statement II : Caprolactam at $$533$$-$$543 \mathrm{~K}$$ in $$\mathrm{H}_{2} \mathrm{O}$$ through step growth polymerizes to give Nylon 6.

In the light of the above statements, choose the correct answer from the options given below:

A
Both Statement I and Statement II are true
B
Statement I is true but Statement II is false
C
Statement I is false but Statement II is true
D
Both Statement I and Statement II are false
2
JEE Main 2023 (Online) 11th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.

JEE Main 2023 (Online) 11th April Evening Shift Chemistry - Hydrocarbons Question 18 English

In the light of the above statements, choose the correct answer from the options given below:

A
Both A and R are true and R is the correct explanation of A
B
A is false but R is true
C
A is true but R is false
D
Both A and R are true but R is NOT the correct explanation of A
3
JEE Main 2023 (Online) 11th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

One mole of $$\mathrm{P}_{4}$$ reacts with 8 moles of $$\mathrm{SOCl}_{2}$$ to give 4 moles of $$\mathrm{A}, x$$ mole of $$\mathrm{SO}_{2}$$ and 2 moles of $$\mathrm{B} . \mathrm{A}, \mathrm{B}$$ and $$x$$ respectively are :

A
$$\mathrm{POCl}_{3}, \mathrm{~S}_{2} \mathrm{Cl}_{2}$$ and 4
B
$$\mathrm{PCl}_{3}, \mathrm{~S}_{2} \mathrm{Cl}_{2}$$ and 4
C
$$\mathrm{POCl}_{3}, \mathrm{~S}_{2} \mathrm{Cl}_{2}$$ and 2
D
$$\mathrm{PCl}_{3}, \mathrm{~S}_{2} \mathrm{Cl}_{2}$$ and 2
4
JEE Main 2023 (Online) 11th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

For a chemical reaction $$\mathrm{A}+\mathrm{B} \rightarrow$$ Product, the order is 1 with respect to $$\mathrm{A}$$ and $$\mathrm{B}$$.

$$\mathrm{Rate}$$
$$\mathrm{mol~L^{-1}~S^{-1}}$$
$$\mathrm{[A]}$$
$$\mathrm{mol~L^{-1}}$$
$$\mathrm{[B]}$$
$$\mathrm{mol~L^{-1}}$$
0.10 20 0.5
0.40 $$x$$ 0.5
0.80 40 $$y$$

What is the value of $$x$$ and $$y$$ ?

A
80 and 4
B
160 and 4
C
80 and 2
D
40 and 4
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